But I can see this:
So, is there something I am missing about binding the listbox via an ItemsSource?
I mean, if I know the SelectedItem, should I not be able to 'parse' out the 'Tag' Property [which contains the string i want]?

And as far as the screen shot I posted, I find it interesting that all of the properties associated with the SelectedItem are accessible during the SelectionChanged Event even though I did not assign all of them to the ListBoxItem. I did try to write some code to access that information, but I was unsuccessful.

I guess my questions is this:
Once I build the ListBox via an ItemsSource Bind, how do I access the Tag Property of the Selected Item during the SelectionChanged Event?